CVE-2026-58766 Privilege escalation in Android

High 7.8 Published Updated

A logic error in the Android kernel's SMMU driver allows local attackers to escalate privileges without user interaction or additional permissions.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
Not needed
Fix
Available

What is CVE-2026-58766?

CVE-2026-58766 is a high-severity vulnerability in Google Android, published on 15 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

In multiple functions of arm-smmu-v3.c, there is a possible escalation of privilege due to a logic error in the code. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.

Weakness: CWE-693

Which versions are affected by CVE-2026-58766?

It affects 1 product.

Products include Google Android.

How do I fix CVE-2026-58766?

Apply the vendor's patch.

Is CVE-2026-58766 being exploited?

There is no known exploitation of CVE-2026-58766 in the wild and no public exploit code.

All Google Android vulnerabilities

Sources

Also known as A-512055546, GHSA-p36q-6rp4-m8x4, PUB-A-512055546.

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